package com.javaxiaobear.base.framework.aspectj;

import cn.hutool.json.JSONUtil;
import com.javaxiaobear.base.common.enums.HttpMethod;
import com.javaxiaobear.base.common.utils.SecurityUtils;
import com.javaxiaobear.base.common.utils.ServletUtils;
import com.javaxiaobear.base.common.utils.StringUtils;
import com.javaxiaobear.base.common.utils.ip.IpUtils;
import com.javaxiaobear.base.framework.aspectj.lang.annotation.Log;
import com.javaxiaobear.base.framework.aspectj.lang.enums.BusinessStatus;
import com.javaxiaobear.base.framework.manager.AsyncManager;
import com.javaxiaobear.base.framework.manager.factory.AsyncFactory;
import com.javaxiaobear.base.framework.security.LoginUser;
import com.javaxiaobear.module.monitor.domain.SysOperLog;
import com.javaxiaobear.module.system.domain.SysUser;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.util.Collection;
import java.util.Map;
import org.apache.commons.lang3.ArrayUtils;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.NamedThreadLocal;
import org.springframework.stereotype.Component;
import org.springframework.validation.BindingResult;
import org.springframework.web.multipart.MultipartFile;

/**
 * 操作日志记录处理
 *
 * @author javaxiaobear
 */
@Aspect
@Component
public class LogAspect {
  private static final Logger log = LoggerFactory.getLogger(LogAspect.class);

  /** 排除敏感属性字段 */
  public static final String[] EXCLUDE_PROPERTIES = {
    "password", "oldPassword", "newPassword", "confirmPassword"
  };

  /** 计算操作消耗时间 */
  private static final ThreadLocal<Long> TIME_THREADLOCAL = new NamedThreadLocal<>("Cost Time");

  /** 处理请求前执行 */
  @Before(value = "@annotation(controllerLog)")
  public void boBefore(JoinPoint joinPoint, Log controllerLog) {
    TIME_THREADLOCAL.set(System.currentTimeMillis());
  }

  /**
   * 处理完请求后执行
   *
   * @param joinPoint 切点
   */
  @AfterReturning(pointcut = "@annotation(controllerLog)", returning = "jsonResult")
  public void doAfterReturning(JoinPoint joinPoint, Log controllerLog, Object jsonResult) {
    handleLog(joinPoint, controllerLog, null, jsonResult);
  }

  /**
   * 拦截异常操作
   *
   * @param joinPoint 切点
   * @param e 异常
   */
  @AfterThrowing(value = "@annotation(controllerLog)", throwing = "e")
  public void doAfterThrowing(JoinPoint joinPoint, Log controllerLog, Exception e) {
    handleLog(joinPoint, controllerLog, e, null);
  }

  protected void handleLog(
      final JoinPoint joinPoint, Log controllerLog, final Exception e, Object jsonResult) {
    try {
      // 获取当前的用户
      LoginUser loginUser = SecurityUtils.getLoginUser();

      // *========数据库日志=========*//
      SysOperLog operLog = new SysOperLog();
      operLog.setStatus(BusinessStatus.SUCCESS.ordinal());
      // 请求的地址
      String ip = IpUtils.getIpAddr();
      operLog.setOperIp(ip);
      operLog.setOperUrl(StringUtils.substring(ServletUtils.getRequest().getRequestURI(), 0, 255));
      if (loginUser != null) {
        operLog.setOperName(loginUser.getUsername());
        SysUser currentUser = loginUser.getUser();
        if (StringUtils.isNotNull(currentUser) && StringUtils.isNotNull(currentUser.getDept())) {
          operLog.setDeptName(currentUser.getDept().getDeptName());
        }
      }

      if (e != null) {
        operLog.setStatus(BusinessStatus.FAIL.ordinal());
        operLog.setErrorMsg(StringUtils.substring(e.getMessage(), 0, 2000));
      }
      // 设置方法名称
      String className = joinPoint.getTarget().getClass().getName();
      String methodName = joinPoint.getSignature().getName();
      operLog.setMethod(className + "." + methodName + "()");
      // 设置请求方式
      operLog.setRequestMethod(ServletUtils.getRequest().getMethod());
      // 处理设置注解上的参数
      getControllerMethodDescription(joinPoint, controllerLog, operLog, jsonResult);
      // 设置消耗时间
      operLog.setCostTime(System.currentTimeMillis() - TIME_THREADLOCAL.get());
      // 保存数据库
      AsyncManager.me().execute(AsyncFactory.recordOper(operLog));
    } catch (Exception exp) {
      // 记录本地异常日志
      log.error("异常信息:{}", exp.getMessage());
      exp.printStackTrace();
    } finally {
      TIME_THREADLOCAL.remove();
    }
  }

  /**
   * 获取注解中对方法的描述信息 用于Controller层注解
   *
   * @param log 日志
   * @param operLog 操作日志
   * @throws Exception
   */
  public void getControllerMethodDescription(
      JoinPoint joinPoint, Log log, SysOperLog operLog, Object jsonResult) throws Exception {
    // 设置action动作
    operLog.setBusinessType(log.businessType().ordinal());
    // 设置标题
    operLog.setTitle(log.title());
    // 设置操作人类别
    operLog.setOperatorType(log.operatorType().ordinal());
    // 是否需要保存request，参数和值
    if (log.isSaveRequestData()) {
      // 获取参数的信息，传入到数据库中。
      setRequestValue(joinPoint, operLog, log.excludeParamNames());
    }
    // 是否需要保存response，参数和值
    if (log.isSaveResponseData() && StringUtils.isNotNull(jsonResult)) {
      operLog.setJsonResult(StringUtils.substring(JSONUtil.toJsonStr(jsonResult), 0, 2000));
    }
  }

  /**
   * 获取请求的参数，放到log中
   *
   * @param operLog 操作日志
   * @throws Exception 异常
   */
  private void setRequestValue(JoinPoint joinPoint, SysOperLog operLog, String[] excludeParamNames)
      throws Exception {
    String requestMethod = operLog.getRequestMethod();
    Map<?, ?> paramsMap = ServletUtils.getParamMap(ServletUtils.getRequest());
    if (StringUtils.isEmpty(paramsMap)
        && (HttpMethod.PUT.name().equals(requestMethod)
            || HttpMethod.POST.name().equals(requestMethod))) {
      String params = argsArrayToString(joinPoint.getArgs(), excludeParamNames);
      operLog.setOperParam(StringUtils.substring(params, 0, 2000));
    } else {
      operLog.setOperParam(StringUtils.substring(JSONUtil.toJsonStr(paramsMap), 0, 2000));
    }
  }

  /** 参数拼装 */
  private String argsArrayToString(Object[] paramsArray, String[] excludeParamNames) {
    StringBuilder params = new StringBuilder();
    if (paramsArray != null) {
      for (Object o : paramsArray) {
        if (StringUtils.isNotNull(o) && !isFilterObject(o)) {
          try {
            String jsonObj = JSONUtil.toJsonStr(o);
            params.append(jsonObj).append(" ");
          } catch (Exception e) {
          }
        }
      }
    }
    return params.toString().trim();
  }

  /**
   * 判断是否需要过滤的对象。
   *
   * @param o 对象信息。
   * @return 如果是需要过滤的对象，则返回true；否则返回false。
   */
  @SuppressWarnings("rawtypes")
  public boolean isFilterObject(final Object o) {
    Class<?> clazz = o.getClass();
    if (clazz.isArray()) {
      return clazz.getComponentType().isAssignableFrom(MultipartFile.class);
    } else if (Collection.class.isAssignableFrom(clazz)) {
      Collection collection = (Collection) o;
      for (Object value : collection) {
        return value instanceof MultipartFile;
      }
    } else if (Map.class.isAssignableFrom(clazz)) {
      Map map = (Map) o;
      for (Object value : map.entrySet()) {
        Map.Entry entry = (Map.Entry) value;
        return entry.getValue() instanceof MultipartFile;
      }
    }
    return o instanceof MultipartFile
        || o instanceof HttpServletRequest
        || o instanceof HttpServletResponse
        || o instanceof BindingResult;
  }
}
